What’s Vulnerable › Vulnerabilities

CVE-2016-1234

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-06-01 · updated 2026-06-17
• Weakness: CWE-119

Description

Stack-based buffer overflow in the glob implementation in GNU C Library (aka glibc) before 2.24, when GLOB_ALTDIRFUNC is used, allows context-dependent attackers to cause a denial of service (crash) via a long name.

Affected products

• Fedoraproject Fedora: 23
• GNU C Library (glibc): before 2.24 — fixed in 2.24
• openSUSE Leap: 42.1
• Opensuse: 13.2

How to fix

Upgrade to a fixed version: GNU C Library (glibc) 2.24. Check the vendor advisory for mitigations.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184626.html
• http://lists.opensuse.org/opensuse-updates/2016-06/msg00030.html
• http://lists.opensuse.org/opensuse-updates/2016-07/msg00039.html
• http://packetstormsecurity.com/files/164014/Moxa-Command-Injection-Cross-Site-Scripting-Vulnerable-Software.html
• http://seclists.org/fulldisclosure/2021/Sep/0
• http://www.openwall.com/lists/oss-security/2016/03/07/16
• http://www.securityfocus.com/bid/84204
• https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
• https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
• https://security.gentoo.org/glsa/201702-11
• https://sourceware.org/bugzilla/show_bug.cgi?id=19779
• https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=5171f3079f2cc53e0548fc4967361f4d1ce9d7ea

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